| Message ID | 1556081835-12921-2-git-send-email-ley.foon.tan@intel.com (mailing list archive) |
|---|---|
| State | Mainlined, archived |
| Commit | c7ddfd3514f2702a70e9ff86504cafa856dd16b2 |
| Headers | show |
| Series | PCI: altera-msi: Allow building as module | expand |
On Wed, Apr 24, 2019 at 12:57 PM Ley Foon Tan <ley.foon.tan@intel.com> wrote: > > Altera MSI IP is a soft IP and is only available after > FPGA image is programmed. > > Make driver modulable to support use case FPGA image is programmed > after kernel is booted. User proram FPGA image in kernel then only load > MSI driver module. > > Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com> > --- > drivers/pci/controller/Kconfig | 2 +- > drivers/pci/controller/pcie-altera-msi.c | 10 ++++++++++ > 2 files changed, 11 insertions(+), 1 deletion(-) > > diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig > index 4b550f9cdd56..920546cb84e2 100644 > --- a/drivers/pci/controller/Kconfig > +++ b/drivers/pci/controller/Kconfig > @@ -181,7 +181,7 @@ config PCIE_ALTERA > FPGA. > > config PCIE_ALTERA_MSI > - bool "Altera PCIe MSI feature" > + tristate "Altera PCIe MSI feature" > depends on PCIE_ALTERA > depends on PCI_MSI_IRQ_DOMAIN > help > diff --git a/drivers/pci/controller/pcie-altera-msi.c b/drivers/pci/controller/pcie-altera-msi.c > index 025ef7d9a046..16d938920ca5 100644 > --- a/drivers/pci/controller/pcie-altera-msi.c > +++ b/drivers/pci/controller/pcie-altera-msi.c > @@ -10,6 +10,7 @@ > #include <linux/interrupt.h> > #include <linux/irqchip/chained_irq.h> > #include <linux/init.h> > +#include <linux/module.h> > #include <linux/msi.h> > #include <linux/of_address.h> > #include <linux/of_irq.h> > @@ -288,4 +289,13 @@ static int __init altera_msi_init(void) > { > return platform_driver_register(&altera_msi_driver); > } > + > +static void __exit altera_msi_exit(void) > +{ > + platform_driver_unregister(&altera_msi_driver); > +} > + > subsys_initcall(altera_msi_init); > +MODULE_DEVICE_TABLE(of, altera_msi_of_match); > +module_exit(altera_msi_exit); > +MODULE_LICENSE("GPL v2"); > -- > 2.19.0 > Hi Any comment for this patch? Regards Ley Foon
On Tue, May 14, 2019 at 01:35:20PM +0800, Ley Foon Tan wrote: > On Wed, Apr 24, 2019 at 12:57 PM Ley Foon Tan <ley.foon.tan@intel.com> wrote: > > > > Altera MSI IP is a soft IP and is only available after > > FPGA image is programmed. > > > > Make driver modulable to support use case FPGA image is programmed > > after kernel is booted. User proram FPGA image in kernel then only load > > MSI driver module. > > > > Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com> > > --- > > drivers/pci/controller/Kconfig | 2 +- > > drivers/pci/controller/pcie-altera-msi.c | 10 ++++++++++ > > 2 files changed, 11 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig > > index 4b550f9cdd56..920546cb84e2 100644 > > --- a/drivers/pci/controller/Kconfig > > +++ b/drivers/pci/controller/Kconfig > > @@ -181,7 +181,7 @@ config PCIE_ALTERA > > FPGA. > > > > config PCIE_ALTERA_MSI > > - bool "Altera PCIe MSI feature" > > + tristate "Altera PCIe MSI feature" > > depends on PCIE_ALTERA > > depends on PCI_MSI_IRQ_DOMAIN > > help > > diff --git a/drivers/pci/controller/pcie-altera-msi.c b/drivers/pci/controller/pcie-altera-msi.c > > index 025ef7d9a046..16d938920ca5 100644 > > --- a/drivers/pci/controller/pcie-altera-msi.c > > +++ b/drivers/pci/controller/pcie-altera-msi.c > > @@ -10,6 +10,7 @@ > > #include <linux/interrupt.h> > > #include <linux/irqchip/chained_irq.h> > > #include <linux/init.h> > > +#include <linux/module.h> > > #include <linux/msi.h> > > #include <linux/of_address.h> > > #include <linux/of_irq.h> > > @@ -288,4 +289,13 @@ static int __init altera_msi_init(void) > > { > > return platform_driver_register(&altera_msi_driver); > > } > > + > > +static void __exit altera_msi_exit(void) > > +{ > > + platform_driver_unregister(&altera_msi_driver); > > +} > > + > > subsys_initcall(altera_msi_init); > > +MODULE_DEVICE_TABLE(of, altera_msi_of_match); > > +module_exit(altera_msi_exit); > > +MODULE_LICENSE("GPL v2"); > > -- > > 2.19.0 > > > Hi > > Any comment for this patch? I will get to these patches for the next merge window, thanks. Lorenzo
On Wed, May 15, 2019 at 9:59 PM Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> wrote: > > On Tue, May 14, 2019 at 01:35:20PM +0800, Ley Foon Tan wrote: > > On Wed, Apr 24, 2019 at 12:57 PM Ley Foon Tan <ley.foon.tan@intel.com> wrote: > > > > > > Altera MSI IP is a soft IP and is only available after > > > FPGA image is programmed. > > > > > > Make driver modulable to support use case FPGA image is programmed > > > after kernel is booted. User proram FPGA image in kernel then only load > > > MSI driver module. > > > > > > Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com> > > > --- > > > drivers/pci/controller/Kconfig | 2 +- > > > drivers/pci/controller/pcie-altera-msi.c | 10 ++++++++++ > > > 2 files changed, 11 insertions(+), 1 deletion(-) > > > > > > diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig > > > index 4b550f9cdd56..920546cb84e2 100644 > > > --- a/drivers/pci/controller/Kconfig > > > +++ b/drivers/pci/controller/Kconfig > > > @@ -181,7 +181,7 @@ config PCIE_ALTERA > > > FPGA. > > > > > > config PCIE_ALTERA_MSI > > > - bool "Altera PCIe MSI feature" > > > + tristate "Altera PCIe MSI feature" > > > depends on PCIE_ALTERA > > > depends on PCI_MSI_IRQ_DOMAIN > > > help > > > diff --git a/drivers/pci/controller/pcie-altera-msi.c b/drivers/pci/controller/pcie-altera-msi.c > > > index 025ef7d9a046..16d938920ca5 100644 > > > --- a/drivers/pci/controller/pcie-altera-msi.c > > > +++ b/drivers/pci/controller/pcie-altera-msi.c > > > @@ -10,6 +10,7 @@ > > > #include <linux/interrupt.h> > > > #include <linux/irqchip/chained_irq.h> > > > #include <linux/init.h> > > > +#include <linux/module.h> > > > #include <linux/msi.h> > > > #include <linux/of_address.h> > > > #include <linux/of_irq.h> > > > @@ -288,4 +289,13 @@ static int __init altera_msi_init(void) > > > { > > > return platform_driver_register(&altera_msi_driver); > > > } > > > + > > > +static void __exit altera_msi_exit(void) > > > +{ > > > + platform_driver_unregister(&altera_msi_driver); > > > +} > > > + > > > subsys_initcall(altera_msi_init); > > > +MODULE_DEVICE_TABLE(of, altera_msi_of_match); > > > +module_exit(altera_msi_exit); > > > +MODULE_LICENSE("GPL v2"); > > > -- > > > 2.19.0 > > > > > Hi > > > > Any comment for this patch? > > I will get to these patches for the next merge window, thanks. Thanks. Regards Ley Foon
On Wed, Apr 24, 2019 at 12:57:15PM +0800, Ley Foon Tan wrote: > Altera MSI IP is a soft IP and is only available after > FPGA image is programmed. > > Make driver modulable to support use case FPGA image is programmed > after kernel is booted. User proram FPGA image in kernel then only load > MSI driver module. > > Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com> > --- > drivers/pci/controller/Kconfig | 2 +- > drivers/pci/controller/pcie-altera-msi.c | 10 ++++++++++ > 2 files changed, 11 insertions(+), 1 deletion(-) Applied to pci/altera for v5.3, thanks. Lorenzo > diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig > index 4b550f9cdd56..920546cb84e2 100644 > --- a/drivers/pci/controller/Kconfig > +++ b/drivers/pci/controller/Kconfig > @@ -181,7 +181,7 @@ config PCIE_ALTERA > FPGA. > > config PCIE_ALTERA_MSI > - bool "Altera PCIe MSI feature" > + tristate "Altera PCIe MSI feature" > depends on PCIE_ALTERA > depends on PCI_MSI_IRQ_DOMAIN > help > diff --git a/drivers/pci/controller/pcie-altera-msi.c b/drivers/pci/controller/pcie-altera-msi.c > index 025ef7d9a046..16d938920ca5 100644 > --- a/drivers/pci/controller/pcie-altera-msi.c > +++ b/drivers/pci/controller/pcie-altera-msi.c > @@ -10,6 +10,7 @@ > #include <linux/interrupt.h> > #include <linux/irqchip/chained_irq.h> > #include <linux/init.h> > +#include <linux/module.h> > #include <linux/msi.h> > #include <linux/of_address.h> > #include <linux/of_irq.h> > @@ -288,4 +289,13 @@ static int __init altera_msi_init(void) > { > return platform_driver_register(&altera_msi_driver); > } > + > +static void __exit altera_msi_exit(void) > +{ > + platform_driver_unregister(&altera_msi_driver); > +} > + > subsys_initcall(altera_msi_init); > +MODULE_DEVICE_TABLE(of, altera_msi_of_match); > +module_exit(altera_msi_exit); > +MODULE_LICENSE("GPL v2"); > -- > 2.19.0 >
diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 4b550f9cdd56..920546cb84e2 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -181,7 +181,7 @@ config PCIE_ALTERA FPGA. config PCIE_ALTERA_MSI - bool "Altera PCIe MSI feature" + tristate "Altera PCIe MSI feature" depends on PCIE_ALTERA depends on PCI_MSI_IRQ_DOMAIN help diff --git a/drivers/pci/controller/pcie-altera-msi.c b/drivers/pci/controller/pcie-altera-msi.c index 025ef7d9a046..16d938920ca5 100644 --- a/drivers/pci/controller/pcie-altera-msi.c +++ b/drivers/pci/controller/pcie-altera-msi.c @@ -10,6 +10,7 @@ #include <linux/interrupt.h> #include <linux/irqchip/chained_irq.h> #include <linux/init.h> +#include <linux/module.h> #include <linux/msi.h> #include <linux/of_address.h> #include <linux/of_irq.h> @@ -288,4 +289,13 @@ static int __init altera_msi_init(void) { return platform_driver_register(&altera_msi_driver); } + +static void __exit altera_msi_exit(void) +{ + platform_driver_unregister(&altera_msi_driver); +} + subsys_initcall(altera_msi_init); +MODULE_DEVICE_TABLE(of, altera_msi_of_match); +module_exit(altera_msi_exit); +MODULE_LICENSE("GPL v2");
Altera MSI IP is a soft IP and is only available after FPGA image is programmed. Make driver modulable to support use case FPGA image is programmed after kernel is booted. User proram FPGA image in kernel then only load MSI driver module. Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com> --- drivers/pci/controller/Kconfig | 2 +- drivers/pci/controller/pcie-altera-msi.c | 10 ++++++++++ 2 files changed, 11 insertions(+), 1 deletion(-)